ABSTRACT
The major legacy information is classified by ana-
lyzing the major information management systems
that are being used by construction firms in China
and the related literatures. As a result, two groups
of legacy information were identified, i.e. the legacy
project information and the legacy enterprise infor-
mation. The former includes 37 information items
in 6 categories such as design information, bidding
information etc. and the latter includes 26 informa-
tion items in 8 categories such as plan information,
business information etc. Each information item is
coded and the details are listed in theTables 1 and 2.
Four forms of information are included, i.e. the
attributive data, data record, detailed informa-
tion and documents. The last word in the name of
